63780920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227789}}^1$

素因数の和:227807

約数の個数: 32

約数和(自身を含む): 164008800

約数和(自身を除く): 100227880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 227789, 455578, 911156, 1138945, 1594523, 1822312, 2277890, 3189046, 4555780, 6378092, 7972615, 9111560, 12756184, 15945230, 31890460, 63780920]

約数ペア:

[(1, 63780920), (2, 31890460), (4, 15945230), (5, 12756184), (7, 9111560), (8, 7972615), (10, 6378092), (14, 4555780), (20, 3189046), (28, 2277890), (35, 1822312), (40, 1594523), (56, 1138945), (70, 911156), (140, 455578), (280, 227789)]